Both geographic and projected coordinate systems include a definition of the assumed shape of the earth (a flattened sphere); this is called the geodetic datum.
地理和投影坐标系都包含对地球形状的假设(一个略扁的球体)；这称为大地基准点。
Sculpted by stellar winds and radiation, a magnificent interstellar dust cloud by chance has assumed this recognizable shape.
由恒星风和恒星辐射雕塑的壮丽的星际尘埃云，碰巧呈现这易辨认的形状。
The importance of the particular assumed shape for this distribution is not known.
这种特定分布形态的假定的重要性还未知。
Scientists had assumed that the dramatic alterations in beak shape, height, width and strength would require the accumulation of many chance mutations in many different genes.
科学家们曾经以为，这些喙在形状、高度、宽度和强度上的明显的变化，可能需要很多种不同基因经过很多偶然变异的慢慢积累。
Because Australia's native people and black Africans share such superficial characteristics as skin color and body shape, they were widely assumed to be closely related.
因为澳洲土著和非洲黑人之间有一些共同的外表特征，如肤色、体型等，所以被普遍认为有密切的亲缘关系。
She opened her mouth, singing the word "girl," and the colors assumed the shape of a young lass in a blue dress with yellow frills.
她开口唱出“少女”这个词的时候，烟雾也跟着变幻成为一位身着黄色荷叶边蓝裙的少女。
My ideas have now assumed a definite shape.
我的想法现在已经具体了。
The delamination is assumed to be elliptical in shape. In this paper the critical load of delamination buckling for a symmetric cross-ply laminate acted on by biaxial load is investigated.
脱层区域假定为椭圆形状，本文研究了在双轴载荷作用下对称正交铺设层板脱层屈曲的临界载荷，脱层厚度、半轴比、子层角以及载荷比对临界载荷的影响均进行了研究。
For the sake of simplicity of computation, the tumour is assumed that have simple shape and obvious interface.
为了计算的方便，假设肿瘤具有明确的边界线和简单的几何形态。
Because Australia's native people and black Africans share such superficial characteristics as skin color and body shape, they were widely assumed to be closely related.
因为澳洲土著和非洲黑人之间有一些共同的外表特征，如肤色、体型等，所以普遍认为他们有较近的亲缘关系。
Because Australia's native people and black Africans share such superficial characteristics as skin color and body shape, they were widely assumed to be closely related.
因为澳洲土著和非洲黑人之间有一些共同的外表特征，如肤色、体型等，所以普遍认为他们有较近的亲缘关系。
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